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s390x/tcg: MVST: Check for specification exceptions
author
David Hildenbrand
<david@redhat.com>
Thu, 5 Sep 2019 10:05:53 +0000
(12:05 +0200)
committer
David Hildenbrand
<david@redhat.com>
Mon, 23 Sep 2019 07:28:29 +0000
(09:28 +0200)
Bit position 32-55 of general register 0 must be zero.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
target/s390x/mem_helper.c
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diff --git
a/target/s390x/mem_helper.c
b/target/s390x/mem_helper.c
index
41d7336
..
ec27be1
100644
(file)
--- a/
target/s390x/mem_helper.c
+++ b/
target/s390x/mem_helper.c
@@
-706,6
+706,9
@@
uint64_t HELPER(mvst)(CPUS390XState *env, uint64_t c, uint64_t d, uint64_t s)
uintptr_t ra = GETPC();
uint32_t len;
+ if (c & 0xffffff00ull) {
+ s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra);
+ }
c = c & 0xff;
d = wrap_address(env, d);
s = wrap_address(env, s);